Comparison
Overview
Company snapshot and where each provider is based.
| Field | Attentive | seven.io |
|---|---|---|
| What it is | AI-powered SMS, MMS, RCS, email, and push marketing platform for consumer brands, with REST and GraphQL APIs for subscriber management and event-triggered messaging rather than direct message sending. | German CPaaS platform (formerly sms77) providing SMS, RCS, WhatsApp and voice APIs with data processed on German-hosted infrastructure. |
| Founded | 2016 | 2003 |
| Ownership | private | private |
| Employees | 1,000-1,500 | 2-10 |
| HQ city | New York | Kiel |
| HQ country | USA | Germany (EU) |
What's the differenceseven.io edges ahead on the overall messaging.dev Score (42 vs 40). Attentive is private and headquartered in New York, USA; seven.io is private and based in Kiel, Germany (EU).
Channels
Which messaging channels each provider can send and receive on.
| Field | Attentive | seven.io |
|---|---|---|
| SMS | Yes | Yes |
| MMS | Yes | No |
| RCS | Yes | Yes |
| No | Yes | |
| Viber | No | No |
| Facebook Messenger | No | No |
| Telegram | No | No |
| Apple Messages for Business | No | No |
| Voice | No | Yes |
| Yes | No |
What's the differenceThey share 2 channels. Attentive additionally offers MMS, Email, while seven.io additionally offers WhatsApp, Voice.
Developer Experience
How quickly a developer can sign up and send a first message.
| Field | Attentive | seven.io |
|---|---|---|
| Self-service onboarding | No | Yes |
| Free developer credit | No | €0.50 free test credit |
| Docs quality | med | high |
| Documentation | Open ↗ | Open ↗ |
| SDKs | iOS (Swift), Android (Kotlin), React Native | PHP, JavaScript, Python, Go, Ruby, .NET, Rust, Kotlin, Elixir, Swift |
| Sandbox / test env | Yes | Yes |
| API types | REST, GraphQL | REST, SMPP, SMTP |
What's the differenceSeven.io offers Self-service onboarding, while Attentive does not; on SDKs, Attentive adds iOS (Swift), Android (Kotlin), React Native; seven.io adds PHP, JavaScript, Python, Go, Ruby, .NET, Rust, Kotlin, Elixir, Swift; on API types, Attentive adds GraphQL; seven.io adds SMPP, SMTP.
Data & Compliance
Data residency options and enterprise compliance certifications.
| Field | Attentive | seven.io |
|---|---|---|
| EU data residency | No | Yes |
| US data residency | Yes | No |
| Choose region | No | No |
| GDPR | Yes | Yes |
| ISO 27001 | No | Yes |
| SOC 2 | Yes | No |
| HIPAA | No | No |
What's the differenceSeven.io offers EU data residency, while Attentive does not; Attentive offers US data residency, while seven.io does not; seven.io offers ISO 27001, while Attentive does not; Attentive offers SOC 2, while seven.io does not.
Data Retention
How long message content and metadata are stored, and whether that is configurable.
| Field | Attentive | seven.io |
|---|---|---|
| Retention policy | No fixed retention periods are published; the privacy policy states personal information is retained "for as long as necessary to provide our Service or as needed to comply with applicable legal obligations." EU/UK/Swiss consumer data is transferred to and processed in the United States under the EU-U.S., UK Extension, and Swiss-U.S. Data Privacy Frameworks. | Log files are stored only for the legally required period and subsequently anonymized, following a stated data-minimization principle; exact message-content retention periods are not publicly documented in detail. Processing runs on German/EU infrastructure ("Pure EU Routing") in ISO 27001-certified data centers, with an online-signable DPA available. |
What's the differenceAttentive: No fixed retention periods are published; the privacy policy states personal information is retained "for as long as necessary to provide our Service or as needed to comply with applicable legal obligations." EU/UK/Swiss consumer data is transferred to and processed in the United States under the EU-U.S., UK Extension, and Swiss-U.S. Data Privacy Frameworks. seven.io: Log files are stored only for the legally required period and subsequently anonymized, following a stated data-minimization principle; exact message-content retention periods are not publicly documented in detail. Processing runs on German/EU infrastructure ("Pure EU Routing") in ISO 27001-certified data centers, with an online-signable DPA available.
Pricing & Credits
Pricing model and the cost of a first message.
| Field | Attentive | seven.io |
|---|---|---|
| Pricing model | Custom-quoted, usage-based subscription priced on message volume, subscriber list size, channels, and premium AI add-ons; no self-serve signup or published per-message rates. | Prepaid pay-as-you-go: top up account balance and pay per message sent, with no monthly fee or subscription required for API access. |
| SMS starting price | Not published | €0.075 per SMS (base rate incl. Germany and most EU countries); non-EU rates vary by country |
| Free developer credit | No | €0.50 free test credit |
What's the differenceAttentive and seven.io are closely matched on pricing & credits — no material differences in the tracked fields.
Reach & Reliability
Global coverage and delivery dependability.
| Field | Attentive | seven.io |
|---|---|---|
| Countries covered | 20 | 0 |
| Direct operator connections | No | No |
| Published uptime SLA | No published SLA | No published SLA |
What's the differenceAttentive leads on Countries covered (20 vs 0 for seven.io).
Company & Trust
Independent reviews and company profile.
| Field | Attentive | seven.io |
|---|---|---|
| G2 rating | 4.5 | 0.0 |
| G2 reviews | 1,483 | 0 |
| Ownership | private | private |
| Employees | 1,000-1,500 | 2-10 |
What's the differenceAttentive leads on G2 rating (4.5 vs 0 for seven.io); Attentive leads on G2 reviews (1,483 vs 0 for seven.io).
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